Coffee maker



FIG. 1 is a top, left, and front perspective view of a coffee maker showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right-side elevational view thereof, the left-side elevational view being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a view, partially in section, taken in the direction of line 7--7 of FIG. 2. 

The ornamental design for a coffee maker, as shown and described. 